1. Kansas City University College of Dental Medicine Joplin Missouri USA
2. University of North Carolina at Chapel Hill Gillings School of Global Public Health Chapel Hill North Carolina USA
3. University of North Carolina at Chapel Hill Adams School of Dentistry Chapel Hill North Carolina USA
4. East Carolina University School of Dental Medicine Greenville North Carolina USA
5. Alliance Dental Center Quincy Massachusetts USA
6. Lowell Community Health Center Lowell Massachusetts USA
7. Oral Health Policy and Epidemiology at the Harvard School of Dental Medicine Boston Massachusetts USA
8. Division of Dental Public Health University of Minnesota School of Dentistry Minneapolis MA USA